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Home >> Lexus >> 2011 >> LX 570 >> Repair and Diagnosis >> Suspension >> Suspension Control Systems >> Suspension Control System (Inspection & Bleeding) >> Suspension Control System >> Bleeding >> Bleeding

Suspension Control System: Bleeding: Bleeding

  1. BLEED AIR FROM SUSPENSION FLUID 
      Fig 1: Filling Reservoir Tank With Fluid
      GTY109202Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      NOTE:

      When the engine starts, the pump operates and fluid is supplied to each cylinder from the reservoir tank. Therefore, add the necessary amount of fluid so that the reservoir tank does not become empty.

    1. With the engine stopped, fill the reservoir tank with fluid.

      HINT: 

      At this point, the vehicle height is low because the pressure of the cylinders is low.

    2. With the vehicle on a level surface, start the engine and set the vehicle height to NORMAL with the suspension control switch.
    3. When the vehicle height becomes NORMAL and the pump stops, stop the engine.
      4. Fig 2: Loosening Bleeder Plug (1 Of 2)
      GTY109531Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      WARNING:

      Be careful when loosening the control valve bleeder plug because the front vehicle height drops rapidly.

    4. Connect a hose to the bleeder plug of the front left side or right side control valve, then loosen the bleeder plug.
    5. After the fluid containing air stops coming out, retighten the bleeder plug.

      Torque: 8.3 N*m (85 kgf*cm, 73 in.*lbf) 

      HINT: 

      If the procedures are performed for the first time on the left side, perform the procedures on the right side for the second time.

      6. Fig 3: Loosening Bleeder Plug (2 Of 2)
      GTY135983Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      WARNING:

      Be careful when loosening the control valve bleeder plug because the rear vehicle height drops rapidly.

    6. Connect a hose to the bleeder plug of the rear left side or right side control valve, then loosen the bleeder plug.
    7. After the fluid containing air stops coming out, retighten the bleeder plug.

      Torque: 8.3 N*m (85 kgf*cm, 73 in.*lbf) 

      HINT: 

      If the procedures are performed for the first time on the left side, perform the procedures on the right side for the second time.

    8. Repeat the previous 4 procedures until the fluid containing air stops coming out.
  2. CHECK SUSPENSION FLUID LEVEL IN RESERVOIR  See step  1
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